@charset "UTF-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 10px;
}

body {
  font-size: 1.6rem;
}

/* 头部区域 */
.header {
  width: 100%;
  height: 454px;
  background: url(../images/zzzq/header_bg.png) no-repeat center;
}

.header .logo {
  padding-top: 20px;
  display: block;
  width: fit-content;
}

.header .logo img {
  height: 90px;
}

.zzzq-btn {
  display: block;
  width: calc(350 / 1200 * 100%);
  background-color: rgba(7, 97, 209, 1);
  border-radius: 17px;
  margin-top: 70px;
}

.zzzq-btn .ratio-box {
  position: relative;
  padding-top: calc(114 / 350 * 100%);
}

.zzzq-btn .ratio-box span {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 5.4rem;
  color: #fff;
  font-weight: bold;
}

.header .title {
  position: absolute;
  left: 50%;
  top: 40px;
  transform: translateX(-50%);
  font-size: 36px;
  color: #fff;
  font-weight: bold;
}

.main-box {
  margin-bottom: 50px;
}

.zzzqcomtit {
  display: inline-block;
  height: 80px;
  line-height: 80px;
  min-width: 155px;
  font-size: 40px;
  font-weight: bold;
  line-height: 72px;
  background: url(../images/zzzq/zzzqpubtitbg.png) no-repeat bottom center;
}

/* 响应式布局 */
@media (max-width: 1280px) {
  .header {
    background-size: auto 100%;
    height: 350px;
  }
}

@media (max-width: 992px) {
  .header {
    height: 280px;
  }
  .zzzq-btn {
    margin-top: 50px;
  }
  .zzzq-btn .ratio-box span {
    font-size: 4rem;
  }
}

@media (max-width: 768px) {
  .header {
    height: 230px;
  }

  .header .logo img {
    height: 60px;
  }
  .zzzq-btn {
    margin-top: 30px;
  }
  .zzzq-btn .ratio-box span {
    font-size: 3rem;
  }
}

@media (max-width: 431px) {

  .header {
    height: 130px;
  }

  .header .logo {
    padding-top: 10px;
  }

  .header .logo img {
    height: 40px;
  }

  .zzzq-btn {
    width: calc(500 / 1200 * 100%);
    margin-top: 20px;
    border-radius: 5px;
  }
  .zzzq-btn .ratio-box span {
    font-size: 2.2rem;
  }

  .main-box {
    margin-bottom: 30px;
  }


}